CN111207339B - Shadowless deflectable LED lighting source for operation - Google Patents
Shadowless deflectable LED lighting source for operation Download PDFInfo
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- CN111207339B CN111207339B CN202010155059.3A CN202010155059A CN111207339B CN 111207339 B CN111207339 B CN 111207339B CN 202010155059 A CN202010155059 A CN 202010155059A CN 111207339 B CN111207339 B CN 111207339B
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- base
- deflection
- deflectable
- light
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
- F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
- F21V14/02—Controlling the distribution of the light emitted by adjustment of elements by movement of light sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/15—Adjustable mountings specially adapted for power operation, e.g. by remote control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/20—Lighting for medical use
- F21W2131/205—Lighting for medical use for operating theatres
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a shadowless deflectable LED (light-emitting diode) illuminating light source for an operation, which comprises a base, a mask mounting frame, a turnover lamp set unit, a magnetic deflection control unit and a light-transmitting mask, wherein the width of the mask mounting frame is smaller than that of the base; the magnetic deflection control unit comprises a bracket, and electromagnets are respectively fixed at two ends of the bracket; the invention can independently adjust the deflection angle of each turnover lamp group unit in the LED light source, can realize multidirectional illumination, improve the width of an illumination area, can also control the light direction, realize targeted illumination, greatly reduce the rotation inertia and enable the deflection to be correspondingly fast.
Description
Technical Field
The invention relates to a shadowless deflectable LED (light-emitting diode) illumination light source for operation.
Background
Due to the advantages of the LED light source in terms of volume, brightness, controllability and life, the LED light source gradually replaces the conventional light source and is more and more widely applied to various aspects of life.
In the currently known LED light source structure, the basic light emitting units are all fixed structures, however, in many cases during the actual use of the LED light source, the illumination range of the light source is required to be wider or variable; because the light-emitting unit in the current LED light source is of a fixed structure, the whole LED light source is required to be of a movable structure to achieve the purpose of changeable illumination range, and the whole movable structure has larger volume and weight, larger rotation inertia, poorer deflection responsiveness and correspondingly larger volume of the whole deflection mechanism, so that the whole LED light source cannot adapt to various current increasingly miniaturized use occasions.
Disclosure of Invention
The invention aims to overcome the defects and provide a shadowless deflectable LED illuminating light source for operation.
In order to achieve the purpose, the invention adopts the following specific scheme: a shadowless deflectable LED lighting source for operation comprises a suspended compact disk, wherein a plurality of deflectable lighting units are arranged around the center of the compact disk.
Each deflectable lighting unit
A shadowless deflectable LED lighting source for operation comprises a base, a mask mounting frame, a plurality of turnover lamp group units arranged at intervals along the length direction of the base, a plurality of magnetic deflection control units and a light-transmitting mask;
the two side edges of the base are respectively provided with a stand column along the length direction corresponding to each turnover lamp group unit, and each stand column is provided with a through hole;
the mask mounting frame is arranged on the base, and the width of the mask mounting frame is smaller than that of the base;
the light-transmitting mask covers the mask mounting frame;
the turnover lamp group units respectively comprise a U-shaped deflection frame with inward openings and a plurality of light-emitting wafers arranged on the deflection frame at intervals, permanent magnets are fixed on the inner sides of two ends of the deflection frame respectively, rotating shafts are arranged on the outer sides of two ends of the deflection frame in a protruding mode respectively, the rotating shafts penetrate through the mask mounting frame outwards and are connected into through holes of the stand columns in a rotating mode, conductive electrodes are embedded in the rotating shafts, a conductive layer is arranged on the inner top surface of the deflection frame, and the conductive layer is electrically connected with the conductive electrodes;
the two ends of the base corresponding to each deflection frame are respectively fixed with a magnetic deflection control unit, each magnetic deflection control unit comprises a U-shaped support with an opening facing the deflection frame, the supports are fixed on the base, the two ends of each support are respectively fixed with an electromagnet, and the permanent magnets are positioned between the two electromagnets.
The conductive electrode is a graphite lubricating electrode, lubricating columns are arranged on the surface of the graphite lubricating electrode at intervals along the circumferential direction, and the lubricating columns penetrate through the rotating shaft along the radial direction and then abut against the stand column; the conducting layer is a graphene conducting band.
The two ends of the support are respectively provided with a piezoelectric adjusting block, the piezoelectric adjusting blocks are fixed on the support, and the electromagnet is fixed on the piezoelectric adjusting blocks.
The invention has the beneficial effects that: compared with the prior art, the invention can independently adjust the deflection angle of each turnover lamp group unit in the LED light source, realize multidirectional illumination, improve the width of an illumination area, control the light direction, realize targeted illumination, greatly reduce the rotation inertia and enable the deflection to be correspondingly fast.
Meanwhile, the electromagnet of the magnetic deflection control unit is skillfully matched with the permanent magnet of the turnover lamp set unit, so that the light-emitting angle of the turnover lamp set unit is controlled by magnetism, and the turnover lamp set unit has a compact structure and quick response and is suitable for occasions with limited space, high resolution and high responsiveness.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded schematic view of the present invention;
FIG. 3 is a schematic view of the present invention with the light-transmitting mask hidden;
FIG. 4 is a schematic structural diagram of a flip light bank unit of the present invention;
FIG. 5 is a schematic diagram of the magnetic deflection control unit of the present invention;
description of reference numerals: 1-a base; 11-upright post; 2-mask mounting frame; 3-turning over the lamp group unit; 31-a deflection frame; 311-rotation axis; 32-a light emitting wafer; 33-a permanent magnet; 34-a conductive electrode; 341-lubricating column; 35-a conductive layer; 4-a magnetic deflection control unit; 41-a bracket; 42-an electromagnet; 43-a piezoelectric tuning mass; 5-a light-transmitting mask; a 1-placing optical disc; a 2-deflectable lighting unit.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.
As shown in fig. 1 to 5, the operating shadowless deflectable LED lighting source of the present embodiment,
comprises a suspended compact disc a1, a plurality of deflectable lighting units a2 are arranged around the center on the compact disc a 1.
Each deflectable lighting unit a2 comprises a base 1, a mask mounting frame 2, a plurality of turnover lamp group units 3 arranged at intervals along the length direction of the base 1, a plurality of magnetic deflection control units 4 and a light-transmitting mask 5;
the two side edges of the base 1 are respectively provided with a stand column 11 along the length direction corresponding to each turnover lamp group unit 3, and each stand column 11 is provided with a through hole;
the mask mounting frame 2 is arranged on the base 1, and the width of the mask mounting frame is smaller than that of the base 1;
the light-transmitting mask 5 covers the mask mounting frame 2;
the plurality of turning lamp group units 3 respectively comprise a U-shaped deflection frame 31 with an inward opening and a plurality of light emitting wafers 32 arranged on the deflection frame 31 at intervals, permanent magnets 33 are respectively fixed on the inner sides of two ends of the deflection frame 31, rotating shafts 311 are respectively arranged on the outer sides of two ends of the deflection frame 31 in a protruding mode, the rotating shafts 311 penetrate through the mask mounting frame 2 outwards and then are connected in through holes of the upright posts 11 in a rotating mode, conductive electrodes 34 are embedded in the rotating shafts 311, a conductive layer 35 is arranged on the inner top surface of the deflection frame 31, and the conductive layer 35 is electrically connected with the conductive electrodes 34;
the two ends of the base 1 corresponding to each deflection frame 31 are respectively fixed with a magnetic deflection control unit 4, each magnetic deflection control unit 4 comprises a U-shaped bracket 41 with an opening facing the deflection frame 31, the bracket 41 is fixed on the base 1, the two ends of the bracket 41 are respectively fixed with an electromagnet 42, and the permanent magnet 33 is positioned between the two electromagnets 42.
Specifically, two sides of the mask mounting frame 2 are attached to the upright posts 11 at two sides of the base 1; when the turnover lamp group unit 3 works, the electromagnets 42 at the two ends of the bracket 41 of the magnetic deflection control unit 4 are simultaneously electrified, the currents of the two electromagnets 42 are equal, and the distances between the two electromagnets 42 and the permanent magnet 33 on the deflection frame 31 are respectively equal, so that the resultant force exerted on the permanent magnet 33 in the horizontal direction is zero, namely the whole turnover lamp group unit 3 is in a horizontal state; when deflection is needed, the difference of the electrified current between the two electromagnets 42 positioned at the two sides of each permanent magnet 33 causes the force applied to the two sides of the permanent magnet 33 to be different, so as to generate an overturning moment on the deflection frame 31, so that the whole turnover lamp group unit 3 deflects by a certain angle, after the target deflection angle is reached, the two electromagnets 42 positioned at the two sides of the permanent magnet 33 respectively keep the current magnitude, further change the light emitting angle of each light emitting wafer 32 on the deflection frame 31, and then emit the light through the light-transmitting face mask 5, so as to change the irradiation angle of the LED light source, and meanwhile, the two electromagnets 42 can limit the position of the permanent magnet 33; and the external power is connected to each light emitting chip 32 through the electrical connection between the conductive layer 35 and the conductive electrode 34. So, can adjust each upset banks unit 3 in the whole LED light source simultaneously, also can selectively adjust some upset banks unit 3 to realize different illumination zone, the structure is nimble.
This embodiment can adjust the declination of each upset banks unit 3 in the LED light source alone, can realize diversified illumination, improves the illumination area width, also can control the light direction, realizes the pertinence illumination, and greatly reduced rotates inertia, makes to deflect correspondingly fast.
Meanwhile, the electromagnet 42 of the magnetic deflection control unit 4 is skillfully utilized to be matched with the permanent magnet 33 of the turnover lamp group unit 3, so that the light-emitting angle of the turnover lamp group unit 3 is controlled by magnetism, and the lamp group unit is compact in structure, quick in response, and suitable for occasions with limited space, high resolution and high responsiveness.
In this embodiment, the number of the flip lamp group units 3 and the number of the light emitting chips 32 in each flip lamp group unit 3 can be set according to actual production requirements.
In the operation shadowless deflectable LED illumination light source according to this embodiment, the conductive electrode 34 is a graphite lubrication electrode, lubrication columns 341 are circumferentially disposed on a surface of the graphite lubrication electrode at intervals, and the lubrication columns 341 radially penetrate through the rotating shaft 311 and then abut against the upright post 11. The arrangement is such that the graphite lubrication electrode can supply power to the light emitting chip 32 on one hand, and can also provide lubrication between the rotating shaft 311 and the through hole on the other hand, thereby reducing deflection resistance and reducing abrasion of the rotating shaft 311 and the through hole. In this embodiment, the conductive layer 35 is a graphene conductive tape, which can realize electrical connection between the graphite lubricating electrode and the light emitting chip 32 and also play a role in heat dissipation. The graphite lubricating electrode and the mask mounting frame 2 are arranged to have a width smaller than that of the base 1, so that the light-transmitting mask 5 separates each upright post 11 from the light-emitting region, and abrasion dust in the through hole is prevented from invading the light-emitting region to pollute the light-emitting wafer 32 and the light-transmitting mask 5, and the light-transmitting efficiency is prevented from being reduced.
According to the operation shadowless deflectable LED illumination light source, two ends of the support 41 are respectively provided with the piezoelectric adjusting blocks 43, the piezoelectric adjusting blocks 43 are fixed on the support 41, and the electromagnet 42 is fixed on the piezoelectric adjusting blocks 43. In practical use, when the turning lamp group unit 3 reaches the vicinity of the target deflection angle after deflecting a certain angle, the current of the electromagnet 42 is kept, the corresponding piezoelectric adjusting block 43 is electrified, and the distances between the electromagnet and the permanent magnet 33 are respectively adjusted correspondingly, so that the deflection angle is finely adjusted, the deflection precision is greatly improved, and meanwhile, the deviation of the deflection angle caused by hesitation wear or vibration and other reasons can be corrected in real time.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.
Claims (3)
1. An operation shadowless deflectable LED lighting source is characterized by comprising a light placing disc (a 1) which can be lifted, wherein a plurality of deflectable lighting units (a 2) are arranged on the light placing disc (a 1) around the center;
each deflectable lighting unit (a 2) comprises a base (1), a mask mounting frame (2), a plurality of turnover lamp group units (3) arranged at intervals along the length direction of the base (1), a plurality of magnetic deflection control units (4) and a light-transmitting mask (5);
the two side edges of the base (1) are respectively provided with a stand column (11) corresponding to each turnover lamp group unit (3) along the length direction of the base, and each stand column (11) is provided with a through hole;
the mask mounting frame (2) is arranged on the base (1) and the width of the mask mounting frame is smaller than that of the base (1);
the light-transmitting mask (5) covers the mask mounting frame (2);
the turnover lamp group units (3) respectively comprise a U-shaped deflection frame (31) with an inward opening and a plurality of light-emitting wafers (32) arranged on the deflection frame (31) at intervals, permanent magnets (33) are respectively fixed on the inner sides of two ends of the deflection frame (31), rotating shafts (311) are respectively arranged on the outer sides of two ends of the deflection frame (31) in a protruding mode, the rotating shafts (311) penetrate through the mask mounting frame (2) outwards and are connected into through holes of the stand column (11) in a rotating mode, conductive electrodes (34) are embedded in the rotating shafts (311), a conductive layer (35) is arranged on the inner top face of the deflection frame (31), and the conductive layer (35) is electrically connected with the conductive electrodes (34);
the two ends of each deflection frame (31) on the base (1) are equally divided and are respectively fixed with a magnetic deflection control unit (4), the magnetic deflection control unit (4) comprises a U-shaped bracket (41) with an opening facing the deflection frame (31), the bracket (41) is fixed on the base (1), the two ends of the bracket (41) are respectively fixed with an electromagnet (42), and the permanent magnet (33) is positioned between the two electromagnets (42).
2. The shadowless deflectable LED illumination light source of claim 1, wherein the conductive electrode (34) is a graphite lubrication electrode, lubrication columns (341) are circumferentially spaced on the surface of the graphite lubrication electrode, and the lubrication columns (341) are abutted with the upright column (11) after passing through the rotating shaft (311) along the radial direction; the conducting layer (35) is a graphene conducting band.
3. The shadowless deflectable LED illumination light source for surgery as recited in claim 1, wherein a piezoelectric adjusting block (43) is further disposed at each end of the support (41), the piezoelectric adjusting block (43) is fixed on the support (41), and the electromagnet (42) is fixed on the piezoelectric adjusting block (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010155059.3A CN111207339B (en) | 2020-03-09 | 2020-03-09 | Shadowless deflectable LED lighting source for operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010155059.3A CN111207339B (en) | 2020-03-09 | 2020-03-09 | Shadowless deflectable LED lighting source for operation |
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| Publication Number | Publication Date |
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| CN111207339A CN111207339A (en) | 2020-05-29 |
| CN111207339B true CN111207339B (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010155059.3A Active CN111207339B (en) | 2020-03-09 | 2020-03-09 | Shadowless deflectable LED lighting source for operation |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050453A (en) * | 2017-12-02 | 2018-05-18 | 胡张容 | Intelligent-induction lamp |
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| KR20020039952A (en) * | 2000-11-23 | 2002-05-30 | 이두형 | a rotator including lighting wings |
| CN105026826B (en) * | 2013-03-07 | 2018-02-23 | 飞利浦灯具控股公司 | Illuminator, track and lighting module for it |
| CN205142051U (en) * | 2015-11-28 | 2016-04-06 | 西安科技大学 | Multi -direction vibration energy collection device of adjustable |
| CN207179368U (en) * | 2017-08-25 | 2018-04-03 | 上海汇丰医疗器械有限公司 | Operation shadowless lamp |
| CN209116126U (en) * | 2018-12-28 | 2019-07-16 | 杭州柏年智能光电子股份有限公司 | A kind of no shadow Projecting Lamp |
| CN110296376A (en) * | 2019-07-12 | 2019-10-01 | 南通大学 | A method of adjusting LED shadowless lamp hot spot |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108050453A (en) * | 2017-12-02 | 2018-05-18 | 胡张容 | Intelligent-induction lamp |
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Effective date of registration: 20211208 Address after: 273100 north of North 2nd Road (West of industrial 1st Road), Qufu expressway, Jining City, Shandong Province (Lingcheng) Applicant after: SHANDONG QUFU KANGERJIAN MEDICAL TECHNOLOGY Co.,Ltd. Address before: No.47-1, guantangtou, Shixi village, Nanxiang, Xinchang County, Shaoxing City, Zhejiang Province, 312500 Applicant before: Spey (Xinchang) Technology Co.,Ltd. |
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